APA (7th ed.) Citation

Gray, P. (1961). The Encyclopedia of the biological sciences. Reinhold Publishing Corporation.

Chicago Style (17th ed.) Citation

Gray, Peter. The Encyclopedia of the Biological Sciences. New York: Reinhold Publishing Corporation, 1961.

MLA (9th ed.) Citation

Gray, Peter. The Encyclopedia of the Biological Sciences. Reinhold Publishing Corporation, 1961.

Warning: These citations may not always be 100% accurate.